(n.) A genus of liliaceous plants; the three-leaved nightshade; -- so called because all the parts of the plant are in threes.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). trillium. Retrieved September 24, 2026, from http://smartdefine.org/trillium/definitions/2074711 |
| Chicago | Webster's. 2011. "trillium" http://smartdefine.org/trillium/definitions/2074711 (accessed September 24, 2026). |
| Harvard | Webster's 2011, trillium, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/trillium/definitions/2074711>. |
| MLA | Webster's. "trillium" 28 May 2011. Web. 24 September 2026. <http://smartdefine.org/trillium/definitions/2074711> |